• China Seamless Steel Pipe/Tube L & M & H Boiler Tube GB5310 Factory System 1
  • China Seamless Steel Pipe/Tube L & M & H Boiler Tube GB5310 Factory System 2
China Seamless Steel Pipe/Tube L & M & H Boiler Tube GB5310 Factory

China Seamless Steel Pipe/Tube L & M & H Boiler Tube GB5310 Factory

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
20 m.t.
Supply Capability:
12000 m.t./month

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 Product Description:

▲ Line pipe
▲ Tubing and casing
▲ L & M & H boiler tube
▲ Gas cylinder tube & pipe
▲ Mechanical & Structural pipe
▲ Ship-building tube & pipe
▲ Automobile tube & pipe

 

L & M & H BOILER TUBE

Standard: GB5310: Seamless Steel Tubes And Pipes for High Pressure Boiler
● Application: For manufacture heating-pipelines, containers, coal-saving devices, super heaters and reheaters
of high pressure boilers(P>9.8Mpa,450℃● Steel Grade: 20G、20MnG、15MnG、15MnG、12Cr2MnG、12Cr1MoVG (etc),Other grade can also be provided
after consulting with customers)

 

2、‍‍Main Features of the Seamless Pipe :

• High manufacturing accuracy

• The higher strength

• The small inertia resistance

• Strong heat dissipation ability

• Good visual effect

• Satisfy price 

 

3、Seamless Pipe ASTM DIN1829 Specification:

Standard

GB, DIN, ASTM

ASTM A106-2006, ASTM A53-2007

Grade

10#-45#, 16Mn

10#, 20#, 45#, 16Mn

Thickness

8 - 33 mm

Section Shape

Round

Outer Diameter

133 - 219 mm

Place of Origin

Shandong, China (Mainland)

Secondary Or Not

Non-secondary

Application

Hydraulic Pipe

Technique

Cold Drawn

Certification

API

‍Surface Treatment

factory state or painted black

‍Special Pipe

API Pipe

Alloy Or Not

Non-alloy

Length

5-12M

Outer Diameter

21.3-610mm

Grade 

20#, 45#, Q345, API J55, API K55, API   L80, API N80, API P110, A53B

Standard

ASME, ASTM

 

1) Material:20#(ASTM A 106/A53 GRB.API5LGRB,GB),45#,16Mn,10#.

2) Specification range:OD:21.3-610mm,WT:6-70mm,length:6-12m or according to the requirement of clients.

3) Excutive standards:GB,ASME API5L.ASTM A 106/A53,Despite of the above standards,we can also supply seamless steel pipe with standard of DIN,JIS,and so on,and also develop new products according to the requirements of our clients!
4) Surface:black lacquered,varnish coating or galvanized.
5) Ends:Beveled or square cut,plastic capped,painted.
6) Packing:bundles wrapped with strong steel strip,seaworthy packing. 

 

4、Packaging & Delivery

Packaging   Details:

seaworthy   package,bundles wrapped with strong steel strip

Delivery   Detail:

15-30days   after received 30%TT

 

5、FAQ of Seamless Pipe ASTM DIN1829:  

①How is the quality of your products?
     We have many years business experience in this area, and we have professional engineer and manager team and sure we can provide you high quality production and professional service.

②How about price?
    Yes, we are factory and be able to give you lowest price below market one, and we have a policy that “ for saving time and absolutely honest business attitude, we quote as lowest as possible for any customer, and discount can be given according to quantity”,if you like bargain and factory price is not low enough as you think, just don’t waste your time.Please trust the quotation we would give you, it is professional one.

③Why should you chose us?
    We can give you both.Additionally, we can also offer professional products inquiry, products knowledge train(for agents), smooth goods delivery, exellent customer solution proposals.Our service formula: good quality+good price+good service=customer’s trust
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem

our advantage:

Professional teams ensure a high efficiency of your purchase
▲ Professional sales team
▲ Professional engineering and technology team
▲ Professional exportation and contract processing/management team
▲ Professional cooperators and partners

 

6、‍‍Seamless Pipe Images: ‍‍

 

 

China Seamless Steel Pipe/Tube L & M & H Boiler Tube GB5310 Factory

 

 

China Seamless Steel Pipe/Tube L & M & H Boiler Tube GB5310 Factory

 

 

China Seamless Steel Pipe/Tube L & M & H Boiler Tube GB5310 Factory

 

 

 

 

 

 

 

 

Q:What are the different pressure ratings for steel pipes?
Steel pipes typically have different pressure ratings, which indicate the maximum pressure that they can safely handle. The pressure ratings for steel pipes can vary depending on factors such as the pipe diameter, wall thickness, and material grade. The most common pressure ratings for steel pipes include: 1. Schedule 40: This is the standard pressure rating for steel pipes used in general applications. It is suitable for low to medium pressure systems, with a maximum working pressure of 150 psi (pounds per square inch). 2. Schedule 80: This pressure rating is used for steel pipes that need to withstand higher pressures. It has a thicker wall thickness compared to Schedule 40, allowing it to handle higher working pressures of up to 300 psi. 3. Schedule 160: This is a heavy-duty pressure rating for steel pipes used in high-pressure applications. It has an even thicker wall thickness than Schedule 80 and can handle working pressures of up to 500 psi. Apart from these standard pressure ratings, there are also specialized steel pipes available with higher pressure ratings, such as Extra Strong (XS) and Double Extra Strong (XXS). These are designed for extremely high-pressure systems and have thicker walls than Schedule 160. It is important to note that the pressure ratings mentioned above are for steel pipes specifically. The pressure rating may differ for pipes made from other materials, such as copper or PVC. When selecting a steel pipe, it is essential to consider the required pressure rating based on the specific application and system requirements to ensure safe and efficient operation.
Q:What are the different methods of insulation for steel pipes?
There are several methods of insulation for steel pipes, including foam insulation, fiberglass insulation, mineral wool insulation, and polyurethane insulation. These methods help to prevent heat loss or gain, protect against corrosion, and reduce condensation on the pipes.
Q:How do you determine the required wall thickness for steel pipes?
The required wall thickness for steel pipes is determined by considering various factors such as the internal pressure, external loads, pipe material, and the desired safety factor. This is typically calculated using engineering principles, industry standards, and specific pipe design codes to ensure the pipe can withstand the anticipated conditions without failure or deformations.
Q:How do you calculate the pipe friction loss coefficient for steel pipes?
The pipe friction loss coefficient for steel pipes can be calculated using the Darcy-Weisbach equation, which takes into account the pipe diameter, length, roughness, and fluid velocity. The coefficient can be determined by dividing the friction factor (obtained from Moody's chart or using empirical equations) by the Reynolds number (calculated using the fluid properties and pipe dimensions).
Q:Can steel pipes be used for structural supports?
Yes, steel pipes can be used for structural supports. Steel pipes are strong, durable, and have high load-bearing capacity, making them suitable for providing structural support in various applications such as buildings, bridges, and infrastructure projects.
Q:Can steel pipes be used for conveying gases?
Indeed, gases can be conveyed using steel pipes. In different industries, such as oil and gas, petrochemical, and construction, steel pipes are commonly employed to transport a wide range of gases, including natural gas, air, and hydrogen. The use of steel pipes for gas transportation offers numerous benefits. They possess exceptional strength and durability, enabling them to withstand rigorous pressure and temperature conditions. Moreover, steel pipes exhibit remarkable resistance to corrosion, effectively preventing gas leakage and ensuring the safety and dependability of the gas transportation system. Furthermore, their smooth internal surface minimizes frictional resistance, facilitating efficient gas flow. As a result, steel pipes are a reliable and extensively-utilized choice for conveying gases across diverse applications.
Q:Can steel pipes be used for nuclear power plants?
Yes, steel pipes can be used for nuclear power plants. Steel pipes are commonly used for various applications in nuclear power plants, such as transporting coolant, steam, and other fluids. They are selected based on their ability to withstand high temperatures, pressures, and corrosive environments. However, specific requirements and regulations related to nuclear safety and radiation protection must be strictly followed during the design, fabrication, and installation of steel pipes in nuclear power plants.
Q:How are steel pipes protected against external corrosion in coastal areas?
Steel pipes are protected against external corrosion in coastal areas through a combination of coating and cathodic protection measures. One of the most common methods used is the application of a protective coating on the surface of the steel pipe. This coating acts as a barrier between the steel surface and the corrosive elements present in the coastal environment, such as saltwater and humidity. The coating is typically made of materials like epoxy or polyethylene, which are resistant to corrosion and provide a long-lasting protective layer. In addition to coating, cathodic protection is also employed to further safeguard the steel pipes from corrosion. Cathodic protection involves the use of sacrificial anodes or impressed current to prevent the corrosion of the steel. Sacrificial anodes are made of more reactive metals, such as zinc or aluminum, which are attached to the steel pipe. These anodes corrode instead of the steel, sacrificing themselves to protect the steel surface. Impressed current systems, on the other hand, use an external power source to provide a protective current to the steel, preventing corrosion. Regular inspection and maintenance of the protective coating and cathodic protection system are crucial to ensure their effectiveness. Coatings may deteriorate over time due to wear and tear, requiring periodic inspection and reapplication if necessary. Similarly, sacrificial anodes need to be replaced when they are depleted, and impressed current systems require monitoring and adjustment to maintain the desired level of protection. Overall, by combining effective coating techniques with cathodic protection measures, steel pipes in coastal areas can be adequately protected against external corrosion, ensuring their longevity and optimal performance.
Q:What are the different sizes of steel pipe nipples?
The sizes of steel pipe nipples vary depending on their intended use and application. Common sizes include 1/8", 1/4", 3/8", 1/2", 3/4", 1", 1 1/4", 1 1/2", and 2". However, there are many other sizes available to cater to specific needs and requirements.
Q:Can steel pipes be used for sewer systems?
Yes, steel pipes can be used for sewer systems. Steel pipes are commonly used in sewer systems due to their durability, strength, and resistance to corrosion. They are able to withstand the harsh conditions and high pressure of sewage flow, making them a reliable choice for sewer infrastructure.

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